Appendix F - Ft. Lyon Emergency Generator Upgrades - Scope Of Work Summary.pdf

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Attached to
Ft. Lyon Emergency Generator Upgrades
Solicitation number
IFB1-NHAA-2025000102
Issued by
Larimer County, Lakewood City, Colorado

About this file

This document is a Scope of Work Summary for the Ft. Lyon Emergency Generator Upgrades prepared by McShea Consulting, dated 10.11.2024, detailing electrical infrastructure improvements for three campus buildings (Buildings 4, 6, and 8). The project involves comprehensive emergency generator and electrical system upgrades, including demolition of existing transformers, installation of new transformers and automatic transfer switches (ATS), and connection of generators to electrical distribution systems. Specific work includes adding 750KVA generators in Buildings 4 and 8, reusing the existing generator in Building 6, and installing or modifying transformers, disconnects, and electrical panels to support the new generator configurations.

The scope of work involves precise electrical infrastructure modifications across three buildings, with each building receiving tailored upgrades to enhance emergency power capabilities. For Building 4, the project calls for demolishing existing 208V and 480V transformers and installing a new 500KVA transformer and 750KVA generator. Building 6 will reuse its existing 500KVA transformer and generator, with modifications to the ATS and electrical connections. Building 8 will receive a new 1200A service-rated ATS, a 750KVA generator, and connections to existing panels. The upgrades aim to improve electrical resilience and emergency power distribution across the Ft. Lyon campus, with careful attention to reusing existing infrastructure where possible to optimize cost-effectiveness.

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Text version

Date: 10.11.2024

McShea Consulting

The summary of the design work that has been done on the Ft Lyon Emergency Generator are as follows.

Building 4:

- Demo Existing 208V and 480V transformers.

- Add 500KVA, 480V transformer and connect to a 1200A service rated ATS using existing pad.

- Add a 750KVA generator and connect it to the ATS.

- From the ATS, feed to the existing 600A and reuse existing equipment downstream.

- Also from the ATS, feed to a 600A disconnect followed by a 300KVA (480V to 208V) step down transformer on the existing pad.

- Feed 300KVA transformer to existing panel ‘MSB-4L’.

Building 6:

- Reuse existing 500KVA, 480V transformer and connect to a 1200A service rated ATS.

- Reuse existing generator and connect it to the ATS.

- Connect ATS to 1200A disconnect

- Connect 1200A disconnect to existing 1200A MCB

- Demo existing ATS and add a new feeder from MCB to existing panel ‘EMD-6’

Building 8:

- Add 1200A service rated ATS.

- Add a 750KVA generator and feed to the ATS.

- Feed ATS to an 800A existing panel “MDB-8H”

- Also from the ATS, feed to a 400A disconnect feeding a 300KVA (480V to 208V) step down transformer.

- Feed 300KVA transformer to existing panel ‘MDB-4L’.

File details come from the government source that posted it. Updated .